Samsung JH052EAV1 Service Manual page 3

4-4 Troubleshooting by symptoms ............................................................................................................................... 4-23
4-4-1 Communication error
4-4-2 Outdoor temperature sensor error
4-4-3 Outdoor Coil temperature sensor error ..............................................................................................
4-4-4 Outdoor Discharge temperature sensor error
4-4-5 Outdoor Discharge over temperature error
4-4-6 Outdoor Fan motor error .................................................................................................................... 4-31
4-4-7 Compressor starting error .................................................................................................................. 4-32
4-4-8 Compressor wire missing error/rotation error .......................................................................... 4-33
4-4-9 O.C(Over Current) error ....................................................................................................................... 4-34
4-4-10 DC_link voltage sensor error .......................................................................................................... 4-35
4-4-11 DC_link voltage under/over error, Over voltage protection error/PFC over load ..... 4-36
4-4-12 DC_link voltage sensor error........................................................................................................... 4-37
4-4-13 Current sensor error/Input current sensor error .................................................................... 4-38
4-4-14 Heatsink sensor error/Heatsink over heat ................................................................................. 4-39
4-4-15 Comp Vlimit error/Comp current limit error ............................................................................ 4-40
4-4-16 EEPROM error/OTP error .................................................................................................................. 4-41
4-4-17 AC zero cross signal error ................................................................................................................. 4-42
4-4-18 Operation condition secession error............................................................................................ 4-43
4-4-19 Capacity miss match error ............................................................................................................... 4-44
4-4-20 Gas leak error ........................................................................................................................................ 4-45
4-4-21 MDS Error Flow chart ........................................................................................................................ 4-46
15. PCB Diagram
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5-1 PCB Diagram
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5-1-1 Indoor Unit
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5-1-2 Display PCB
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5-1-3 DAMPER PBA
5-1-4 Outdoor Unit PCB
16. Wiring Diagram
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6-1 Indoor Unit
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6-2 Outdoor Unit
17. Schematic Diagram
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7-1 Indoor Unit
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7-2 Outdoor Unit
8. Reference Sheet
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8-1 Index for Model Name
8-2 Refrigerating Cycle Diagram
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8-3 Pressure Graph
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4-23
4-24
4-26
4-28
4-30
5-1
5-1
5-1
5-2
5-2
5-3
6-1
6-1
6-2
7-1
7-1
7-4
8-1
8-1
8-2
8-3